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04-15-2017, 07:42 PM
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#1
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Senior Member
Join Date: May 2011
Posts: 316
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Developing Waterpump issues.....
Starting last year we were developing an extremely loud water pump. Fast forward to this weekend, I find the pipes are rattling against the structure. I used heat wrap and it did stop the rattling. The pump is still loud and now the system is full of air and I can not get rid of it. Is the pump dying a slow death or do you suspect I have other issues?
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2008 Damon Challenger 376
EZ tow dolly
2015 dart GT
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04-15-2017, 07:54 PM
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#2
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Senior Member
Join Date: Sep 2010
Posts: 421
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If the system is full of air it will not pump water. Have you tried bleeding the system through its low point drain? This is usually successful in priming the pump after it becomes air bound. If that doesn't work, then you need to inspect the water line from the tank to the inlet of the pump. There may be a cracked or otherwise comprised section of that line that is allowing air to enter the system and causing your problem. If you see something in that line that you feel could be the problem source, use a spray bottle and bathe that area with water while the pump is running. If there is a crack or a hole, the spray bottle water will be drawn into the system and the pump will run and pump water so long as the hole is covered with water.
Dan
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2006 Winnebago Journey 36GSE; 2014 CRV; Blue Ox; SMI AF-1
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04-15-2017, 08:00 PM
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#3
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Senior Member
Join Date: May 2011
Posts: 316
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The kitchen sink is the worst. When the faucet is turned on, you can hear the pump priming then blows a force of water out. It is very inconsistent. Water does flow out just not in a uniform matter.
__________________
2008 Damon Challenger 376
EZ tow dolly
2015 dart GT
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04-16-2017, 04:35 AM
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#4
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Senior Member
Winnebago Owners Club Ford Super Duty Owner
Join Date: Aug 2004
Location: Oregon
Posts: 2,728
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Clean the pump strainer and make sure to put it back on tight. Then clean the sink strainer, all of them. Next check your Water Heater Winterization valves and make sure they are setup properly and fully closed (cross connect). Also go the outside shower and make sure that actual valves are shut, not just the shower head. Last but not least make sure the Potable Water City hookup valve is in the City or Shore water position and not I the Potable Water Tank Fill Position. This being is yours has one.
Let us know what you find.
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Retired Navy Submariner
2014 Itasca Sunstar 35F; 5 Star tuned; 2014 Jeep Cherokee TrailHawk
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04-16-2017, 10:54 AM
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#5
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"Formerly Diplomat Don"
Newmar Owners Club
Join Date: Apr 2005
Location: Moorpark, Ca.
Posts: 23,931
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"pacevette"....One of the main reasons these pumps are noisy, is because they're hard plumbed to the water system. That means that they connected the pump directy to the plastic "pex" plumbing. Every little noise the pump makes is transmitted down the lines.
If your pump is plumbed this way, there is a simple fix. Just change how it's connected by using the same white water hoses you use under your sinks in your house. Disconnect the "pex" plumbing from the pump, attach a length of the white flex hosing to the pump, make a loop and attach it right back to the "pex". This will give you a "cushioned" connection to your pump.
The air issue sounds like you have a leak that is drawing air. "SuperGewl" above, gave you some good info.
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Don & Mary
2019 Newmar Dutch Star 4018 (Freightliner)
2019 Ford Raptor
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04-16-2017, 11:33 AM
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#6
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Senior Member
Join Date: May 2011
Posts: 316
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I am going to inspect the lines once again. I do not have a valve from city water to potable water. I did clean the screens. Pump strainer will have to wait til I get some time later this week. I just found it coincidental I guess that the lines are chattering and now the air. All of the valves on the water heater are in thier correct position. Outside shower is also off. Late last season I put another rubber pad down to mount the pump. It just seems the pump itself is very loud, especially after I was able to get the heat wrap around my pet lines.
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2008 Damon Challenger 376
EZ tow dolly
2015 dart GT
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04-16-2017, 06:18 PM
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#7
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Senior Member
Join Date: May 2011
Posts: 316
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I found it! Have a bad water line connection on the pump itself. Is it recommended to use plumbers tape on the fitting?
__________________
2008 Damon Challenger 376
EZ tow dolly
2015 dart GT
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04-16-2017, 06:24 PM
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#8
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Senior Member
Tiffin Owners Club
Join Date: Sep 2012
Location: Maryland
Posts: 1,433
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Can you post a photo of the fitting?
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04-16-2017, 06:25 PM
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#9
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Senior Member
Join Date: May 2011
Posts: 316
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I will tomorrow. I was going to tonight but I couldn't get a good picture.
__________________
2008 Damon Challenger 376
EZ tow dolly
2015 dart GT
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04-16-2017, 07:48 PM
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#10
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"Formerly Diplomat Don"
Newmar Owners Club
Join Date: Apr 2005
Location: Moorpark, Ca.
Posts: 23,931
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None of the water pump fittings should use tape. They should either be a pressure fit or have a rubber gasket.
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Don & Mary
2019 Newmar Dutch Star 4018 (Freightliner)
2019 Ford Raptor
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04-17-2017, 11:42 AM
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#11
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Senior Member
Join Date: May 2011
Posts: 316
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Here is the part that is loose. It looks like tape is present on there but can't tell for sure. Not sure if I can tighten it without taking it out.
__________________
2008 Damon Challenger 376
EZ tow dolly
2015 dart GT
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04-17-2017, 11:48 AM
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#12
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Senior Member
Join Date: Jan 2015
Location: Oroville, CA
Posts: 3,133
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That's a suction (or inlet) strainer and it does look like a threaded fitting with teflon tape. The pump inlet usually has a quick disconnect fitting, so you can undo the quick connect and then re-tape and tighten the strainer side threaded fitting. Or just take the whole pump out and fix it.
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Bill, Kathi and Zorro; '05 Beaver Patriot Thunder
2012 Sunnybrook Harmony 21FBS (SQEZINN)
2007 Jeep Grand Cherokee Overland
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04-17-2017, 12:02 PM
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#13
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Senior Member
Join Date: May 2011
Posts: 316
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I am going to tackle it this week sometime. Not sure if I will have to take the pump out or not.
__________________
2008 Damon Challenger 376
EZ tow dolly
2015 dart GT
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04-17-2017, 02:56 PM
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#14
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Senior Member
Join Date: May 2011
Posts: 316
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I had a few extra minutes so I decided to go out a take a look. I had 2 problems. First, the strainer basket that connects to the pump was loose. I took it off to make sure the gasket and threads were all good. Second problem, the strainer basket itself was not tight. I have no clue how I did not get any leaks! I just want to say thanks for everyone's help and suggestions.
__________________
2008 Damon Challenger 376
EZ tow dolly
2015 dart GT
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